Model name: AI-CO

Carbon Monoxide Transmitter

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Product Description

Ace Instruments carbon monoxide (CO) transmitter is a high-accuracy electrochemical sensor based transmitter. Available with/without display in an IP54 rated plastic wall mounting enclosure. The CO transmitter provides a reliable solution to challenging applications across industries with a sensor life of over 10 years from leading Japanese manufacturers.

The transmitter supports monitoring in critical environments, for a range of industries: oil and gas, mines, semiconductor manufacturing, parking lots and marine applications. The transmitters can be used as a part of comprehensive indoor air quality monitoring solutions to ensure healthy levels in smart buildings and industrial spaces.

Customize the CO transmitter for your individual application, with optional relay and buzzer alarms and RS-485 Modbus communication allowing users to conveniently export data to BMS systems. Customizable ranges available on enquiry.


  • High-performance Japanese electrochemical sensor from leading manufacturers 
  • >10 Years Sensor Life
  • RS-485 Modbus Communication
  • With/without display options available 
  • Optional relay
  • Optional buzzer alarm



Sensor Type

Electrochemical sensor (Japan)

Measuring Range
  • Option 1: 0 to 150 ppm
  • Option 2: 0 to 250 ppm
  • Option 3: 0 to 500 ppm

±5% in 0~1000 ppm range

Display (Optional)

LCD Display


ABS plastic wall mounting enclosure

Relay (Optional)

1 relay output (NO/CO/NC) rated 2 amps

Buzzer (Optional)

In-built programmable high level buzzer alarm  

Analog Output

0-10 VDC/ 4-20mA 

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